Description
PYRITIZED AMMONITES AND BELEMNITES FROM HOLZMADEN, GERMANY Dactylioceras sp. Jurassic Holzmaden, Germany The 180-million-year-old Posidonia Shale of Holzmaden, Germany is famous for the exceptional preservation of its fossil sea creatures. The black slate is a perfect matrix for the golden-brown fossils that are occasionally encountered. This large black slate matrix...